graphicdevicebase.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#pragma once
 
#include <com/sun/star/rendering/XBufferController.hpp>
#include <com/sun/star/rendering/XLinePolyPolygon2D.hpp>
#include <com/sun/star/rendering/XBezierPolyPolygon2D.hpp>
#include <com/sun/star/rendering/XBitmap.hpp>
#include <com/sun/star/rendering/XVolatileBitmap.hpp>
 
#include <rtl/ref.hxx>
 
#include <parametricpolypolygon.hxx>
#include <propertysethelper.hxx>
#include <verifyinput.hxx>
 
namespace com::sun::star::beans { class XPropertySetInfo; }
namespace com::sun::star::lang { class XMultiServiceFactory; }
namespace com::sun::star::rendering { class XColorSpace; }
 
 
/* Definition of GraphicDeviceBase class */
 
namespace canvas
{
    template< class Base,
              class DeviceHelper,
              class Mutex=::osl::MutexGuard,
              class UnambiguousBase=css::uno::XInterface > class GraphicDeviceBase :
        public Base
    {
    public:
        typedef Base              BaseType;
        typedef Mutex             MutexType;
        typedef UnambiguousBase   UnambiguousBaseType;
 
        typedef ::rtl::Reference< GraphicDeviceBase > Reference;
 
        GraphicDeviceBase() :
            maDeviceHelper(),
            mbDumpScreenContent(false)
        {
            maPropHelper.initProperties(
                PropertySetHelper::InputMap {
                    {"HardwareAcceleration",
                        { [this] () { return this->maDeviceHelper.isAccelerated(); }, {} } },
                    {"DeviceHandle",
                        { [this] () { return this->maDeviceHelper.getDeviceHandle(); }, {} } },
                    {"SurfaceHandle",
                        { [this] () { return this->maDeviceHelper.getSurfaceHandle(); }, {} } },
                    {"DumpScreenContent",
                        { [this] () { return this->getDumpScreenContent(); },
                          [this] (css::uno::Any const& rAny) { this->setDumpScreenContent(rAny); } } } } );
        }
 
        virtual void disposeThis() override
        {
            MutexType aGuard( BaseType::m_aMutex );
 
            maDeviceHelper.disposing();
 
            // pass on to base class
            BaseType::disposeThis();
        }
 
        // XGraphicDevice
        virtual css::uno::Reference< css::rendering::XBufferController > SAL_CALL getBufferController(  ) override
        {
            return css::uno::Reference< css::rendering::XBufferController >();
        }
 
        virtual css::uno::Reference< css::rendering::XColorSpace > SAL_CALL getDeviceColorSpace(  ) override
        {
            MutexType aGuard( BaseType::m_aMutex );
 
            return maDeviceHelper.getColorSpace();
        }
 
        virtual css::geometry::RealSize2D SAL_CALL getPhysicalResolution() override
        {
            MutexType aGuard( BaseType::m_aMutex );
 
            return maDeviceHelper.getPhysicalResolution();
        }
 
        virtual css::geometry::RealSize2D SAL_CALL getPhysicalSize() override
        {
            MutexType aGuard( BaseType::m_aMutex );
 
            return maDeviceHelper.getPhysicalSize();
        }
 
        virtual css::uno::Reference< css::rendering::XLinePolyPolygon2D > SAL_CALL createCompatibleLinePolyPolygon( const css::uno::Sequence< css::uno::Sequence< css::geometry::RealPoint2D > >& points ) override
        {
            MutexType aGuard( BaseType::m_aMutex );
 
            return maDeviceHelper.createCompatibleLinePolyPolygon( this, points );
        }
 
        virtual css::uno::Reference< css::rendering::XBezierPolyPolygon2D > SAL_CALL createCompatibleBezierPolyPolygon( const css::uno::Sequence< css::uno::Sequence< css::geometry::RealBezierSegment2D > >& points ) override
        {
            MutexType aGuard( BaseType::m_aMutex );
 
            return maDeviceHelper.createCompatibleBezierPolyPolygon( this, points );
        }
 
        virtual css::uno::Reference< css::rendering::XBitmap > SAL_CALL createCompatibleBitmap( const css::geometry::IntegerSize2D& size ) override
        {
            tools::verifyBitmapSize(size,
                                    __func__,
                                    static_cast< UnambiguousBaseType* >(this));
 
            MutexType aGuard( BaseType::m_aMutex );
 
            return maDeviceHelper.createCompatibleBitmap( this, size );
        }
 
        virtual css::uno::Reference< css::rendering::XVolatileBitmap > SAL_CALL createVolatileBitmap( const css::geometry::IntegerSize2D& size ) override
        {
            tools::verifyBitmapSize(size,
                                    __func__,
                                    static_cast< UnambiguousBaseType* >(this));
 
            MutexType aGuard( BaseType::m_aMutex );
 
            return maDeviceHelper.createVolatileBitmap( this, size );
        }
 
        virtual css::uno::Reference< css::rendering::XBitmap > SAL_CALL createCompatibleAlphaBitmap( const css::geometry::IntegerSize2D& size ) override
        {
            tools::verifyBitmapSize(size,
                                    __func__,
                                    static_cast< UnambiguousBaseType* >(this));
 
            MutexType aGuard( BaseType::m_aMutex );
 
            return maDeviceHelper.createCompatibleAlphaBitmap( this, size );
        }
 
        virtual css::uno::Reference< css::rendering::XVolatileBitmap > SAL_CALL createVolatileAlphaBitmap( const css::geometry::IntegerSize2D& size ) override
        {
            tools::verifyBitmapSize(size,
                                    __func__,
                                    static_cast< UnambiguousBaseType* >(this));
 
            MutexType aGuard( BaseType::m_aMutex );
 
            return maDeviceHelper.createVolatileAlphaBitmap( this, size );
        }
 
        virtual css::uno::Reference< css::lang::XMultiServiceFactory > SAL_CALL getParametricPolyPolygonFactory(  ) override
        {
            return this;
        }
 
        virtual sal_Bool SAL_CALL hasFullScreenMode(  ) override
        {
            return false;
        }
 
        virtual sal_Bool SAL_CALL enterFullScreenMode( sal_Bool ) override
        {
            return false;
        }
 
        // XMultiServiceFactory
        virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstance( const OUString& aServiceSpecifier ) override
        {
            return css::uno::Reference< css::rendering::XParametricPolyPolygon2D >(
                ParametricPolyPolygon::create(this,
                                              aServiceSpecifier,
                                              css::uno::Sequence< css::uno::Any >()));
        }
 
        virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstanceWithArguments( const OUString& aServiceSpecifier, const css::uno::Sequence< css::uno::Any >& Arguments ) override
        {
            return css::uno::Reference< css::rendering::XParametricPolyPolygon2D >(
                ParametricPolyPolygon::create(this,
                                              aServiceSpecifier,
                                              Arguments));
        }
 
        virtual css::uno::Sequence< OUString > SAL_CALL getAvailableServiceNames(  ) override
        {
            return ParametricPolyPolygon::getAvailableServiceNames();
        }
 
 
        // XUpdatable
        virtual void SAL_CALL update() override
        {
            MutexType aGuard( BaseType::m_aMutex );
 
            if( mbDumpScreenContent )
                maDeviceHelper.dumpScreenContent();
        }
 
 
        // XPropertySet
        virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL getPropertySetInfo() override
        {
            MutexType aGuard( BaseType::m_aMutex );
            return maPropHelper.getPropertySetInfo();
        }
 
        virtual void SAL_CALL setPropertyValue( const OUString&                   aPropertyName,
                                                const css::uno::Any& aValue ) override
        {
            MutexType aGuard( BaseType::m_aMutex );
            maPropHelper.setPropertyValue( aPropertyName, aValue );
        }
 
        virtual css::uno::Any SAL_CALL getPropertyValue( const OUString& aPropertyName ) override
        {
            MutexType aGuard( BaseType::m_aMutex );
            return maPropHelper.getPropertyValue( aPropertyName );
        }
 
        virtual void SAL_CALL addPropertyChangeListener( const OUString& aPropertyName,
                                                         const css::uno::Reference< css::beans::XPropertyChangeListener >& xListener ) override
        {
            MutexType aGuard( BaseType::m_aMutex );
            maPropHelper.addPropertyChangeListener( aPropertyName,
                                                    xListener );
        }
 
        virtual void SAL_CALL removePropertyChangeListener( const OUString& ,
                                                            const css::uno::Reference< css::beans::XPropertyChangeListener >& ) override
        {
        }
 
        virtual void SAL_CALL addVetoableChangeListener( const OUString& aPropertyName,
                                                         const css::uno::Reference< css::beans::XVetoableChangeListener >& xListener ) override
        {
            MutexType aGuard( BaseType::m_aMutex );
            maPropHelper.addVetoableChangeListener( aPropertyName,
                                                    xListener );
        }
 
        virtual void SAL_CALL removeVetoableChangeListener( const OUString& ,
                                                            const css::uno::Reference< css::beans::XVetoableChangeListener >& ) override
        {
        }
 
    protected:
        ~GraphicDeviceBase() {} // we're a ref-counted UNO class. _We_ destroy ourselves.
 
        css::uno::Any getDumpScreenContent() const
        {
            return css::uno::Any( mbDumpScreenContent );
        }
 
        void setDumpScreenContent( const css::uno::Any& rAny )
        {
            // TODO(Q1): this was mbDumpScreenContent =
            // rAny.get<bool>(), only that gcc3.3 wouldn't eat it
            rAny >>= mbDumpScreenContent;
        }
 
        DeviceHelper      maDeviceHelper;
        PropertySetHelper maPropHelper;
        bool              mbDumpScreenContent;
 
    private:
        GraphicDeviceBase( const GraphicDeviceBase& ) = delete;
        GraphicDeviceBase& operator=( const GraphicDeviceBase& ) = delete;
    };
}
 
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